PostgreSQL
Enterprise-grade open source relational database
PostgreSQL is a powerful open source object-relational database management system focused on standards compliance, correctness, and extensibility. It supports advanced SQL features while providing a mature foundation for transactional and analytical workloads.
Key Features
- ACID transactions with concurrency control and robust crash recovery
- Advanced SQL support including constraints, foreign keys, triggers, views, and window functions
- Extensibility via custom data types, functions, operators, and extensions
- Rich indexing options (including B-tree, GiST, GIN, BRIN) and full-text search
- Replication features including streaming replication and logical replication
- Security features such as role-based access control and fine-grained privileges
Use Cases
- Primary relational database for web and business applications
- Geospatial and location-aware systems (commonly via PostGIS)
- Data warehousing and analytics workloads requiring strong SQL capabilities
PostgreSQL is widely used in production for its reliability, performance, and extensible architecture. It fits both small deployments and large-scale systems where data integrity and advanced querying are critical.
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